[Stable metal base] The material of this computer chair base is metal, which is stable. Stable metal material provides a strong rolling chair base
[Service] If there is any problem with the gaming office chair stool base set, we will solve it for you in time
This office chair caster features precision ball bearings for quiet and smooth performance, with a sturdy steel construction. Size: 11×22 mm, fits all standard chairs.
[4.9" stroke cylinder] The gas lift cylinder (Class 3) length is 278 mm and the extension length is 403 mm. Stroke 125 mm (4.9 inch)
[Heavy duty Bottom plate] Gaming office chair tilt mechanism mounting hole spacing: 10"x6". Turn the handwheel to tighten or loosen the rear tilt tension